223220124040 has 32 divisors (see below), whose sum is σ = 502297323480. Its totient is φ = 89278797312.

The previous prime is 223220124037. The next prime is 223220124067. The reversal of 223220124040 is 40421022322.

It can be written as a sum of positive squares in 4 ways, for example, as 211524566724 + 11695557316 = 459918^2 + 108146^2 .

It is a super-3 number, since 3×223220124040³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108454 + ... + 676906.

Almost surely, 2^223220124040 is an apocalyptic number.

223220124040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223220124040 is an abundant number, since it is smaller than the sum of its proper divisors (279077199440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223220124040 is a wasteful number, since it uses less digits than its factorization.

223220124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578281 (or 578277 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 223220124040 its reverse (40421022322), we get a palindrome (263641146362).

The spelling of 223220124040 in words is "two hundred twenty-three billion, two hundred twenty million, one hundred twenty-four thousand, forty".